A265549 - OEIS

%I #4 Dec 10 2015 10:37:19

%S 0,1,2,3,4,11,11,22,33,44,22,22,22,33,44,33,33,33,33,44,44,44,44,44,

%T 44,101,101,202,303,404,111,111,212,313,414,121,121,222,323,424,131,

%U 131,232,333,434,141,141,242,343,444,202,202,202,303,404,212,212,212,313,414,222,222,222,323,424,232,232,232,333,434

%N a(n) = smallest base-5 palindrome m >= n such that every base-5 digit of n is <= the corresponding digit of m; m is written in base 5.

%Y Sequences related to palindromic floor and ceiling: A175298, A206913, A206914, A261423, A262038, and the large block of consecutive sequences beginning at A265509.

%K nonn,base

%O 0,3

%A _N. J. A. Sloane_, Dec 10 2015